Single Stage Multi Position Furnace
Service
Manual
15
440 08 2001 02
Figure 17
Concentric Vent and Combustion-
Air Roof Termination
“A”
Combustion
Air
Exhaust
12²
²²
² Min.
Grade or
Snow L evel
Dimension “A” is touching or 2² maximum separation.
Figure 18
Concentric Vent and Combustion--
Air Sidewall Termination
“A”
Vent
Dimension “A” is touching or 2² maximum separation.
25--22--02d
Vent
Combustion
Air
1²
²²
² Maximum
(TYP.)
Exhaust
“A”
“A”
Inlet
Figure 19
Sidewall Inlet Vent and Exhaust--Air
Termination
Dimension “A” is touching or 2² maximum separation.
12²
²²
² Min. Grade
or Snow Level
18²
²²
² Min. for
Cold Climates
(Sustained Below 0°
°°
° F)
8²
²²
² Min.
20¢
¢¢
¢ Max.
8²
²²
²
Min.
Ex-
haust
Exhaust
8²
²²
²
Min.
8²
²²
² Min.
20¢
¢¢
¢ Max.
Figure 20
Sidewall Inlet Vent and Exhaust --Air
Termination with Exterior Risers
Dimension “A” is touching or 2² maximum separation.
12²
²²
² Min.
Grade or
Snow L evel
18²
²²
² Min. for Cold Climates
(Sustained Below 0°
°°
° F)
Inlet
“A”
“A”
12²
²²
² Min.
Grade or
Snow L evel
Exhaust
8²
²²
² Min.
20¢
¢¢
¢ Max.
Figure 21
Rooftop Inlet Vent and Exhaust--Air
Termination
25--22--43
18²
²²
² Min. for Cold Climates
(Sustained Below 0°
°°
° F)
Inlet